523 lines
13 KiB
JavaScript
523 lines
13 KiB
JavaScript
/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set sts=2 sw=2 et tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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/* exported LIBC, Win, createPipe, libc */
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const LIBC = OS.Constants.libc;
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const Win = OS.Constants.Win;
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const LIBC_CHOICES = ["kernel32.dll"];
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var win32 = {
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// On Windows 64, winapi_abi is an alias for default_abi.
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WINAPI: ctypes.winapi_abi,
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VOID: ctypes.void_t,
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BYTE: ctypes.uint8_t,
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WORD: ctypes.uint16_t,
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DWORD: ctypes.uint32_t,
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LONG: ctypes.long,
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LARGE_INTEGER: ctypes.int64_t,
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ULONGLONG: ctypes.uint64_t,
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UINT: ctypes.unsigned_int,
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UCHAR: ctypes.unsigned_char,
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BOOL: ctypes.bool,
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HANDLE: ctypes.voidptr_t,
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PVOID: ctypes.voidptr_t,
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LPVOID: ctypes.voidptr_t,
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CHAR: ctypes.char,
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WCHAR: ctypes.jschar,
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ULONG_PTR: ctypes.uintptr_t,
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SIZE_T: ctypes.size_t,
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PSIZE_T: ctypes.size_t.ptr,
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};
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Object.assign(win32, {
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DWORD_PTR: win32.ULONG_PTR,
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LPSTR: win32.CHAR.ptr,
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LPWSTR: win32.WCHAR.ptr,
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LPBYTE: win32.BYTE.ptr,
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LPDWORD: win32.DWORD.ptr,
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LPHANDLE: win32.HANDLE.ptr,
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// This is an opaque type.
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PROC_THREAD_ATTRIBUTE_LIST: ctypes.char.array(),
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LPPROC_THREAD_ATTRIBUTE_LIST: ctypes.char.ptr,
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});
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Object.assign(win32, {
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LPCSTR: win32.LPSTR,
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LPCWSTR: win32.LPWSTR,
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LPCVOID: win32.LPVOID,
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});
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Object.assign(win32, {
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CREATE_SUSPENDED: 0x00000004,
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CREATE_NEW_CONSOLE: 0x00000010,
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CREATE_UNICODE_ENVIRONMENT: 0x00000400,
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CREATE_NO_WINDOW: 0x08000000,
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CREATE_BREAKAWAY_FROM_JOB: 0x01000000,
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EXTENDED_STARTUPINFO_PRESENT: 0x00080000,
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STARTF_USESTDHANDLES: 0x0100,
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DUPLICATE_CLOSE_SOURCE: 0x01,
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DUPLICATE_SAME_ACCESS: 0x02,
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ERROR_HANDLE_EOF: 38,
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ERROR_BROKEN_PIPE: 109,
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ERROR_INSUFFICIENT_BUFFER: 122,
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FILE_FLAG_OVERLAPPED: 0x40000000,
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PIPE_TYPE_BYTE: 0x00,
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PIPE_ACCESS_INBOUND: 0x01,
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PIPE_ACCESS_OUTBOUND: 0x02,
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PIPE_ACCESS_DUPLEX: 0x03,
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PIPE_WAIT: 0x00,
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PIPE_NOWAIT: 0x01,
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STILL_ACTIVE: 259,
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PROC_THREAD_ATTRIBUTE_HANDLE_LIST: 0x00020002,
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JobObjectBasicLimitInformation: 2,
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JobObjectExtendedLimitInformation: 9,
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JOB_OBJECT_LIMIT_BREAKAWAY_OK: 0x00000800,
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// These constants are 32-bit unsigned integers, but Windows defines
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// them as negative integers cast to an unsigned type.
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STD_INPUT_HANDLE: -10 + 0x100000000,
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STD_OUTPUT_HANDLE: -11 + 0x100000000,
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STD_ERROR_HANDLE: -12 + 0x100000000,
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WAIT_TIMEOUT: 0x00000102,
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WAIT_FAILED: 0xffffffff,
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});
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Object.assign(win32, {
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JOBOBJECT_BASIC_LIMIT_INFORMATION: new ctypes.StructType("JOBOBJECT_BASIC_LIMIT_INFORMATION", [
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{"PerProcessUserTimeLimit": win32.LARGE_INTEGER},
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{"PerJobUserTimeLimit": win32.LARGE_INTEGER},
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{"LimitFlags": win32.DWORD},
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{"MinimumWorkingSetSize": win32.SIZE_T},
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{"MaximumWorkingSetSize": win32.SIZE_T},
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{"ActiveProcessLimit": win32.DWORD},
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{"Affinity": win32.ULONG_PTR},
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{"PriorityClass": win32.DWORD},
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{"SchedulingClass": win32.DWORD},
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]),
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IO_COUNTERS: new ctypes.StructType("IO_COUNTERS", [
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{"ReadOperationCount": win32.ULONGLONG},
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{"WriteOperationCount": win32.ULONGLONG},
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{"OtherOperationCount": win32.ULONGLONG},
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{"ReadTransferCount": win32.ULONGLONG},
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{"WriteTransferCount": win32.ULONGLONG},
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{"OtherTransferCount": win32.ULONGLONG},
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]),
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});
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Object.assign(win32, {
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JOBOBJECT_EXTENDED_LIMIT_INFORMATION: new ctypes.StructType("JOBOBJECT_EXTENDED_LIMIT_INFORMATION", [
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{"BasicLimitInformation": win32.JOBOBJECT_BASIC_LIMIT_INFORMATION},
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{"IoInfo": win32.IO_COUNTERS},
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{"ProcessMemoryLimit": win32.SIZE_T},
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{"JobMemoryLimit": win32.SIZE_T},
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{"PeakProcessMemoryUsed": win32.SIZE_T},
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{"PeakJobMemoryUsed": win32.SIZE_T},
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]),
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OVERLAPPED: new ctypes.StructType("OVERLAPPED", [
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{"Internal": win32.ULONG_PTR},
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{"InternalHigh": win32.ULONG_PTR},
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{"Offset": win32.DWORD},
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{"OffsetHigh": win32.DWORD},
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{"hEvent": win32.HANDLE},
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]),
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PROCESS_INFORMATION: new ctypes.StructType("PROCESS_INFORMATION", [
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{"hProcess": win32.HANDLE},
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{"hThread": win32.HANDLE},
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{"dwProcessId": win32.DWORD},
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{"dwThreadId": win32.DWORD},
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]),
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SECURITY_ATTRIBUTES: new ctypes.StructType("SECURITY_ATTRIBUTES", [
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{"nLength": win32.DWORD},
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{"lpSecurityDescriptor": win32.LPVOID},
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{"bInheritHandle": win32.BOOL},
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]),
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STARTUPINFOW: new ctypes.StructType("STARTUPINFOW", [
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{"cb": win32.DWORD},
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{"lpReserved": win32.LPWSTR},
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{"lpDesktop": win32.LPWSTR},
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{"lpTitle": win32.LPWSTR},
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{"dwX": win32.DWORD},
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{"dwY": win32.DWORD},
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{"dwXSize": win32.DWORD},
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{"dwYSize": win32.DWORD},
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{"dwXCountChars": win32.DWORD},
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{"dwYCountChars": win32.DWORD},
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{"dwFillAttribute": win32.DWORD},
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{"dwFlags": win32.DWORD},
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{"wShowWindow": win32.WORD},
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{"cbReserved2": win32.WORD},
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{"lpReserved2": win32.LPBYTE},
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{"hStdInput": win32.HANDLE},
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{"hStdOutput": win32.HANDLE},
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{"hStdError": win32.HANDLE},
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]),
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});
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Object.assign(win32, {
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STARTUPINFOEXW: new ctypes.StructType("STARTUPINFOEXW", [
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{"StartupInfo": win32.STARTUPINFOW},
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{"lpAttributeList": win32.LPPROC_THREAD_ATTRIBUTE_LIST},
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]),
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});
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var libc = new Library("libc", LIBC_CHOICES, {
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AssignProcessToJobObject: [
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win32.WINAPI,
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win32.BOOL,
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win32.HANDLE, /* hJob */
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win32.HANDLE, /* hProcess */
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],
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CloseHandle: [
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win32.WINAPI,
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win32.BOOL,
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win32.HANDLE, /* hObject */
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],
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CreateEventW: [
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win32.WINAPI,
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win32.HANDLE,
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win32.SECURITY_ATTRIBUTES.ptr, /* opt lpEventAttributes */
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win32.BOOL, /* bManualReset */
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win32.BOOL, /* bInitialState */
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win32.LPWSTR, /* lpName */
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],
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CreateFileW: [
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win32.WINAPI,
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win32.HANDLE,
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win32.LPWSTR, /* lpFileName */
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win32.DWORD, /* dwDesiredAccess */
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win32.DWORD, /* dwShareMode */
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win32.SECURITY_ATTRIBUTES.ptr, /* opt lpSecurityAttributes */
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win32.DWORD, /* dwCreationDisposition */
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win32.DWORD, /* dwFlagsAndAttributes */
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win32.HANDLE, /* opt hTemplateFile */
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],
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CreateJobObjectW: [
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win32.WINAPI,
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win32.HANDLE,
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win32.SECURITY_ATTRIBUTES.ptr, /* opt lpJobAttributes */
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win32.LPWSTR, /* lpName */
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],
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CreateNamedPipeW: [
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win32.WINAPI,
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win32.HANDLE,
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win32.LPWSTR, /* lpName */
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win32.DWORD, /* dwOpenMode */
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win32.DWORD, /* dwPipeMode */
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win32.DWORD, /* nMaxInstances */
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win32.DWORD, /* nOutBufferSize */
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win32.DWORD, /* nInBufferSize */
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win32.DWORD, /* nDefaultTimeOut */
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win32.SECURITY_ATTRIBUTES.ptr, /* opt lpSecurityAttributes */
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],
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CreatePipe: [
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win32.WINAPI,
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win32.BOOL,
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win32.LPHANDLE, /* out hReadPipe */
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win32.LPHANDLE, /* out hWritePipe */
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win32.SECURITY_ATTRIBUTES.ptr, /* opt lpPipeAttributes */
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win32.DWORD, /* nSize */
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],
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CreateProcessW: [
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win32.WINAPI,
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win32.BOOL,
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win32.LPCWSTR, /* lpApplicationName */
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win32.LPWSTR, /* lpCommandLine */
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win32.SECURITY_ATTRIBUTES.ptr, /* lpProcessAttributes */
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win32.SECURITY_ATTRIBUTES.ptr, /* lpThreadAttributes */
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win32.BOOL, /* bInheritHandle */
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win32.DWORD, /* dwCreationFlags */
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win32.LPVOID, /* opt lpEnvironment */
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win32.LPCWSTR, /* opt lpCurrentDirectory */
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win32.STARTUPINFOW.ptr, /* lpStartupInfo */
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win32.PROCESS_INFORMATION.ptr, /* out lpProcessInformation */
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],
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CreateSemaphoreW: [
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win32.WINAPI,
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win32.HANDLE,
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win32.SECURITY_ATTRIBUTES.ptr, /* opt lpSemaphoreAttributes */
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win32.LONG, /* lInitialCount */
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win32.LONG, /* lMaximumCount */
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win32.LPCWSTR, /* opt lpName */
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],
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DeleteProcThreadAttributeList: [
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win32.WINAPI,
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win32.VOID,
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win32.LPPROC_THREAD_ATTRIBUTE_LIST, /* in/out lpAttributeList */
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],
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DuplicateHandle: [
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win32.WINAPI,
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win32.BOOL,
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win32.HANDLE, /* hSourceProcessHandle */
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win32.HANDLE, /* hSourceHandle */
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win32.HANDLE, /* hTargetProcessHandle */
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win32.LPHANDLE, /* out lpTargetHandle */
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win32.DWORD, /* dwDesiredAccess */
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win32.BOOL, /* bInheritHandle */
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win32.DWORD, /* dwOptions */
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],
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FreeEnvironmentStringsW: [
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win32.WINAPI,
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win32.BOOL,
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win32.LPCWSTR, /* lpszEnvironmentBlock */
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],
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GetCurrentProcess: [
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win32.WINAPI,
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win32.HANDLE,
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],
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GetCurrentProcessId: [
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win32.WINAPI,
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win32.DWORD,
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],
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GetEnvironmentStringsW: [
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win32.WINAPI,
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win32.LPCWSTR,
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],
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GetExitCodeProcess: [
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win32.WINAPI,
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win32.BOOL,
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win32.HANDLE, /* hProcess */
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win32.LPDWORD, /* lpExitCode */
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],
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GetOverlappedResult: [
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win32.WINAPI,
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win32.BOOL,
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win32.HANDLE, /* hFile */
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win32.OVERLAPPED.ptr, /* lpOverlapped */
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win32.LPDWORD, /* lpNumberOfBytesTransferred */
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win32.BOOL, /* bWait */
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],
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GetStdHandle: [
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win32.WINAPI,
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win32.HANDLE,
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win32.DWORD, /* nStdHandle */
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],
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InitializeProcThreadAttributeList: [
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win32.WINAPI,
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win32.BOOL,
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win32.LPPROC_THREAD_ATTRIBUTE_LIST, /* out opt lpAttributeList */
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win32.DWORD, /* dwAttributeCount */
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win32.DWORD, /* dwFlags */
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win32.PSIZE_T, /* in/out lpSize */
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],
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ReadFile: [
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win32.WINAPI,
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win32.BOOL,
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win32.HANDLE, /* hFile */
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win32.LPVOID, /* out lpBuffer */
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win32.DWORD, /* nNumberOfBytesToRead */
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win32.LPDWORD, /* opt out lpNumberOfBytesRead */
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win32.OVERLAPPED.ptr, /* opt in/out lpOverlapped */
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],
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ReleaseSemaphore: [
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win32.WINAPI,
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win32.BOOL,
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win32.HANDLE, /* hSemaphore */
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win32.LONG, /* lReleaseCount */
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win32.LONG.ptr, /* opt out lpPreviousCount */
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],
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ResumeThread: [
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win32.WINAPI,
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win32.DWORD,
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win32.HANDLE, /* hThread */
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],
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SetInformationJobObject: [
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win32.WINAPI,
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win32.BOOL,
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win32.HANDLE, /* hJob */
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ctypes.int, /* JobObjectInfoClass */
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win32.LPVOID, /* lpJobObjectInfo */
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win32.DWORD, /* cbJobObjectInfoLengt */
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],
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TerminateJobObject: [
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win32.WINAPI,
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win32.BOOL,
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win32.HANDLE, /* hJob */
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win32.UINT, /* uExitCode */
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],
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TerminateProcess: [
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win32.WINAPI,
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win32.BOOL,
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win32.HANDLE, /* hProcess */
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win32.UINT, /* uExitCode */
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],
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UpdateProcThreadAttribute: [
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win32.WINAPI,
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win32.BOOL,
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win32.LPPROC_THREAD_ATTRIBUTE_LIST, /* in/out lpAttributeList */
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win32.DWORD, /* dwFlags */
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win32.DWORD_PTR, /* Attribute */
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win32.PVOID, /* lpValue */
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win32.SIZE_T, /* cbSize */
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win32.PVOID, /* out opt lpPreviousValue */
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win32.PSIZE_T, /* opt lpReturnSize */
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],
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WaitForMultipleObjects: [
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win32.WINAPI,
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win32.DWORD,
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win32.DWORD, /* nCount */
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win32.HANDLE.ptr, /* hHandles */
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win32.BOOL, /* bWaitAll */
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win32.DWORD, /* dwMilliseconds */
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],
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WaitForSingleObject: [
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win32.WINAPI,
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win32.DWORD,
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win32.HANDLE, /* hHandle */
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win32.BOOL, /* bWaitAll */
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win32.DWORD, /* dwMilliseconds */
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],
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WriteFile: [
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win32.WINAPI,
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win32.BOOL,
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win32.HANDLE, /* hFile */
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win32.LPCVOID, /* lpBuffer */
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win32.DWORD, /* nNumberOfBytesToRead */
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win32.LPDWORD, /* opt out lpNumberOfBytesWritten */
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win32.OVERLAPPED.ptr, /* opt in/out lpOverlapped */
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],
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});
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let nextNamedPipeId = 0;
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win32.Handle = function(handle) {
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return ctypes.CDataFinalizer(win32.HANDLE(handle), libc.CloseHandle);
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};
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win32.createPipe = function(secAttr, readFlags = 0, writeFlags = 0, size = 0) {
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readFlags |= win32.PIPE_ACCESS_INBOUND;
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writeFlags |= Win.FILE_ATTRIBUTE_NORMAL;
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if (size == 0) {
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size = 4096;
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}
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let pid = libc.GetCurrentProcessId();
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let pipeName = String.raw`\\.\Pipe\SubProcessPipe.${pid}.${nextNamedPipeId++}`;
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let readHandle = libc.CreateNamedPipeW(
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pipeName, readFlags,
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win32.PIPE_TYPE_BYTE | win32.PIPE_WAIT,
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1, /* number of connections */
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size, /* output buffer size */
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size, /* input buffer size */
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0, /* timeout */
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secAttr.address());
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let isInvalid = handle => String(handle) == String(win32.HANDLE(Win.INVALID_HANDLE_VALUE));
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if (isInvalid(readHandle)) {
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return [];
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}
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let writeHandle = libc.CreateFileW(
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pipeName, Win.GENERIC_WRITE, 0, secAttr.address(),
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Win.OPEN_EXISTING, writeFlags, null);
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if (isInvalid(writeHandle)) {
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libc.CloseHandle(readHandle);
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return [];
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}
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return [win32.Handle(readHandle),
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win32.Handle(writeHandle)];
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};
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win32.createThreadAttributeList = function(handles) {
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try {
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void libc.InitializeProcThreadAttributeList;
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void libc.DeleteProcThreadAttributeList;
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void libc.UpdateProcThreadAttribute;
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} catch (e) {
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// This is only supported in Windows Vista and later.
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return null;
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}
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let size = win32.SIZE_T();
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if (!libc.InitializeProcThreadAttributeList(null, 1, 0, size.address()) &&
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ctypes.winLastError != win32.ERROR_INSUFFICIENT_BUFFER) {
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return null;
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}
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let attrList = win32.PROC_THREAD_ATTRIBUTE_LIST(size.value);
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if (!libc.InitializeProcThreadAttributeList(attrList, 1, 0, size.address())) {
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return null;
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}
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let ok = libc.UpdateProcThreadAttribute(
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attrList, 0, win32.PROC_THREAD_ATTRIBUTE_HANDLE_LIST,
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handles, handles.constructor.size, null, null);
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if (!ok) {
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libc.DeleteProcThreadAttributeList(attrList);
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return null;
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}
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return attrList;
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};
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